#include<iostream>
#include<cstdio>
#include<algorithm>
#include<cmath>
#include<set>
#include<map>
#include<vector>
#include<cstring>
#include<unordered_map>
#include<unordered_set>
#define int long long 
#define x first 
#define y second 
using namespace std;
const int N = 1e5 + 10;
int a[N];
int sum = 0;
void solve()
{
     int n,m,k;
     cin >> n >> m >> k;
     for(int i = 1; i <= n; i++) 
     {
        cin >> a[i];
        sum += a[i];
     } 
     int t = sum * 1.0 / k * 1.0;
     if(t < m + 1) cout << t << endl;
     else cout << m + 1 << endl;
}
signed main()
{
    ios::sync_with_stdio(0);
    cin.tie(0),cout.tie(0);
    int t = 1;
    while(t--) solve();
    return 0;
}